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Exercitiul 9 , va rog.

Exercitiul 9 Va Rog class=

Răspuns :

a)3^7:3^4=3^3=27 b)2^6:2^4=2^2=4 c)3^2)^2=3^4=81 d)5^6)^4:5^20=5^24:5^20=5^4=625 e)7^18:7^18=1 f)10^12:10^10=10^2=100
a) 3∧7: 3∧4= 3∧3 =27
3∧7= 3 la puterea a 7-a

b)2∧6:2∧4=2∧2=4

c) (3∧2)∧2= 3∧4= 81

d) 5∧24:5∧20= 5∧4=625

e)(7∧2)∧9: 7∧18= 1

f)(10∧5)∧2:10∧10= 10∧10:10∧10=1